Solution NMR structure of the membrane electron transporter CcdA
MSLSLTAAFL AGVLSFLSPC VLPLVPTYLF YLGGARGRPL FNALFFILGF GAVFFLLGLP FTLLGGLLFE HRQTLARVGG VVLVLFGLYM LGLRPRWGVS LRYEGETSRP LGAFLLGATL ALGWTPCIGP ILGAILTLTA VGGGVGFLLA YILGLAVPFF VVALFADRIK GWLRRAGRIS HYVEVLAGVV LVLVGVLLFT GTFTALNTFF LRITPEWLQR YLPSHHHHHH HH
ID | Type | Value order | Atom ID 1 | Atom ID 2 |
---|---|---|---|---|
1 | disulfide | sing | 1:CYS20:SG | 1:CYS127:SG |
Polymer type: polypeptide(L)
Total | 1H | 13C | 15N | |
---|---|---|---|---|
All | 41.5 % (1140 of 2748) | 25.5 % (354 of 1388) | 52.7 % (596 of 1132) | 83.3 % (190 of 228) |
Backbone | 69.5 % (951 of 1368) | 47.7 % (230 of 482) | 80.2 % (534 of 666) | 85.0 % (187 of 220) |
Sidechain | 20.0 % (317 of 1582) | 13.8 % (125 of 906) | 28.3 % (189 of 668) | 37.5 % (3 of 8) |
Aromatic | 7.1 % (25 of 354) | 5.6 % (10 of 177) | 6.9 % (12 of 173) | 75.0 % (3 of 4) |
Methyl | 22.0 % (83 of 378) | 19.6 % (37 of 189) | 24.3 % (46 of 189) |
1. entity 1
MSLSLTAAFL AGVLSFLSPC VLPLVPTYLF YLGGARGRPL FNALFFILGF GAVFFLLGLP FTLLGGLLFE HRQTLARVGG VVLVLFGLYM LGLRPRWGVS LRYEGETSRP LGAFLLGATL ALGWTPCIGP ILGAILTLTA VGGGVGFLLA YILGLAVPFF VVALFADRIK GWLRRAGRIS HYVEVLAGVV LVLVGVLLFT GTFTALNTFF LRITPEWLQR YLPSHHHHHH HHSolvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 343 K, pH 5.5, Details 0.37 mM [U-13C; U-15N; U-2H] CcdA, 25 mM sodium acetate, 25 mM potassium phosphate, 50 mM sodium chloride, 0.05 % sodium azide, 90% H2O/10% D2O.
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | CcdA | [U-13C; U-15N; U-2H] | 0.37 mM | |
2 | potassium phosphate | natural abundance | 25 mM | |
3 | sodium acetate | natural abundance | 25 mM | |
4 | sodium azide | natural abundance | 0.05 % | |
5 | sodium chloride | natural abundance | 50 mM |
Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 343 K, pH 5.5, Details 0.7 mM [U-15N; U-2H] CcdA, 25 mM sodium acetate, 25 mM potassium phosphate, 50 mM sodium chloride, 0.05 % sodium azide, 90% H2O/10% D2O.
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
6 | CcdA | [U-15N; U-2H] | 0.7 mM | |
7 | potassium phosphate | natural abundance | 25 mM | |
8 | sodium acetate | natural abundance | 25 mM | |
9 | sodium azide | natural abundance | 0.05 % | |
10 | sodium chloride | natural abundance | 50 mM |
Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 343 K, pH 5.5, Details 0.7 mM [U-15N; U-2H] CcdA, 25 mM sodium acetate, 25 mM potassium phosphate, 50 mM sodium chloride, 0.05 % sodium azide, 90% H2O/10% D2O.
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
11 | CcdA | [U-15N; U-2H] | 0.7 mM | |
12 | potassium phosphate | natural abundance | 25 mM | |
13 | sodium acetate | natural abundance | 25 mM | |
14 | sodium azide | natural abundance | 0.05 % | |
15 | sodium chloride | natural abundance | 50 mM |
Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 343 K, pH 5.5, Details 0.2 mM [U-15N] CcdA single Cys mutants labeled with MTSL, 25 mM sodium acetate, 25 mM potassium phosphate, 50 mM sodium chloride, 0.05 % sodium azide, 90% H2O/10% D2O.
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
16 | CcdA single Cys mutants labeled with MTSL | [U-15N] | 0.2 mM | |
17 | potassium phosphate | natural abundance | 25 mM | |
18 | sodium acetate | natural abundance | 25 mM | |
19 | sodium azide | natural abundance | 0.05 % | |
20 | sodium chloride | natural abundance | 50 mM |